Railway Machinery:

1st notch 2d notch action angle axleboxes back pressure back stroke blast blast-orifice blast-pipe blast-pressure boiler bolted Britain carriages cast iron cent centre line chimney clearance coke combustion compression condensation connecting rod consumption coupling rods crank cubic cubic foot curve diagram difference driving axle driving wheels eccentric eccentric-rods equal evaporation exhaust pressure expansion feet fire-box flanges frame front stroke full gear gauge Gooch grate grate-area greater half gear heating surface hind horizontal increased inside cylinders lead leading wheels length less lever link-motion load locomotive mid gear miles per hour motion ordinary orifice period of admission piston placed plates point of release port position pound practice proportions rails Railway ratio reduced release resistance rivetted side smoke-box speed springs square steam suppression temperature thick tion tons train tubes vacuum valve valve-gear varies vertical volume waggons weight wrought iron